Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1979-11-01
1981-02-24
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72358, 72401, 72474, 29159R, B21K 132
Patent
active
042520118
ABSTRACT:
The present invention provides a technique for improving the dimensional accuracy of forged components. Uniformity of like component details is sought and a specific object is to provide a die package for forming closely toleranced appendages integrally with a central disk structure from which the appendages extend.
In one effective embodiment incorporating concepts of the present invention, the forging dies include a stationary die 26 and a moveable die 28 which are mounted on a common axis and a plurality of arcuate die segments 30 which are adjacently placed in cylindrical array about the stationary and moveable dies. The arcuate die segments form cavities of the inverse geometry of the appendages to be formed and are interlocked to prevent tilting of the segments in the die package. A collar 40 extends from the stationary die to interlocking engagement with a channel 46 in the inwardly facing surface of each arcuate die segment.
REFERENCES:
patent: 2125068 (1938-07-01), Dempsey
patent: 2689068 (1954-09-01), Lyon
patent: 3519503 (1970-07-01), Moore et al.
patent: 4051708 (1977-10-01), Beane et al.
patent: 4063939 (1977-12-01), Weaver
patent: 4074559 (1978-02-01), Beane
patent: 4150557 (1979-04-01), Walker
MacNitt, Jr. Donald G.
Walker Bryant H.
Gilden Leon
United Technologies Corporation
Walker Robert C.
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